Powerleech
Enchantment
Whenever an artifact an opponent controls becomes tapped or an opponent activates an artifact's ability without in its activation cost, you gain 1 life.
Legalities
- brawl: banned
- commander: legal
- legacy: legal
- modern: legal
- pauper: legal
- pioneer: banned
- standard: banned
- vintage: legal
Rulings
- 2004-10-04:
In a multi-player game it affects all opponents.